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Finding the Third Proportional to 72,440.63 and 110,813.25

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Solution

The third proportional to 72,440.63 and 110,813.25 is: 169,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,440.63 : 110,813.25 = 110,813.25 : x
  2. Step 2: Convert to fraction form
    72,440.63/110,813.25 = 110,813.25/x
  3. Step 3: Cross multiply
    72,440.63x = 110,813.25 × 110,813.25
  4. Step 4: Simplify right side
    72,440.63x = 12,279,576,375.56
  5. Step 5: Solve for x
    x = 12,279,576,375.56/72,440.63
  6. Step 6: Final answer
    x = 169,512.29

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.